import theory Nat here, which avoids duplicate definition of datatype_realizers (and thus allows to maintain fully authentic fact table);
authorwenzelm
Sat Oct 24 18:55:27 2009 +0200 (2009-10-24)
changeset 330894e33c819fced
parent 33088 757d7787b10c
child 33090 2f05a1feac21
import theory Nat here, which avoids duplicate definition of datatype_realizers (and thus allows to maintain fully authentic fact table);
src/HOL/Product_Type.thy
     1.1 --- a/src/HOL/Product_Type.thy	Sat Oct 24 17:49:44 2009 +0200
     1.2 +++ b/src/HOL/Product_Type.thy	Sat Oct 24 18:55:27 2009 +0200
     1.3 @@ -6,7 +6,7 @@
     1.4  header {* Cartesian products *}
     1.5  
     1.6  theory Product_Type
     1.7 -imports Inductive
     1.8 +imports Inductive Nat
     1.9  uses
    1.10    ("Tools/split_rule.ML")
    1.11    ("Tools/inductive_set.ML")